add support for LOG=2

LOGGER=rtt is not tested since jlink doesn't support rp2040 just yet

hw/bsp/rp2040/family.cmake

@@ -31,3 +31,26 @@ target_include_directories(${PROJECT} PUBLIC
 target_compile_definitions(${PROJECT} PUBLIC
   CFG_TUSB_MCU=OPT_MCU_RP2040
 )
+
+if(DEFINED LOG)
+  target_compile_definitions(${PROJECT} PUBLIC CFG_TUSB_DEBUG=${LOG} )
+  pico_enable_stdio_uart(${PROJECT} 1)
+endif()
+
+if(LOGGER STREQUAL "rtt")
+  pico_enable_stdio_uart(${PROJECT} 0)
+
+  target_compile_definitions(${PROJECT} PUBLIC
+    LOGGER_RTT
+    SEGGER_RTT_MODE_DEFAULT=SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL
+  )
+
+  target_sources(${PROJECT} PUBLIC
+    ${TOP}/lib/SEGGER_RTT/RTT/SEGGER_RTT.c
+  )
+
+  target_include_directories(${PROJECT} PUBLIC
+    ${TOP}/lib/SEGGER_RTT/RTT
+  )
+endif()
+